Ara
Toplam kayıt 18, listelenen: 1-10
On the moments for ergodic distribution of an inventory model of type (s; S) with regularly varying demands having infinite variance
(Işık University Press, 2018)
In this study a stochastic process X(t) which represents a semi Markovian inventory model of type (s,S) has been considered in the presence of regularly varying tailed demand quantities. The main purpose of the current ...
Estimating returns to scale using non-radial dea models
(Işık University Press, 2018)
The concept of returns to scale (RTS) is defined as the ratio of the proportionate changes in outputs over the proportionate changes in inputs. By considering the following two facts the current paper develops some non-radial ...
New characterizations of spacelike curves on timelike surfaces through the link of specific frames
(Işık University Press, 2018)
In this work, considering a regular spacelike curve on a smooth timelike surface in Minkowski 3-space, we investigate relations between the mentioned curve’s Darboux and Bishop frames on the timelike surface. Next we obtain ...
Existence of symmetric positive solutions for lidstone type integral boundary value problems
(Işık University Press, 2018)
This paper establishes the existence of even number of symmetric positive solutions for the even order differential equation (?1)n u (2n) (t) = f(t, u(t)), t ? (0, 1), satisfying Lidstone type integral boundary conditions ...
Single valued neutrosophic trees
(Işık University Press, 2018)
The edge connectivity plays important role in computer network problems and path problems. In this paper, we introduce special types of single valued neutrosophic (SVN) bridges, single valued neutrosophic cut-vertices, ...
Common fixed point theorems for weakly subsequentially continuous mappings in fuzzy metric spaces via implicit relation
(Işık University Press, 2018)
The aim of this paper is to prove some common fixed point theorems for two weakly subsequentially continuous and compatible of type (E) pairs of self mappings satisfying an implicit relation in fuzzy metric spaces. Two ...
On the numerical solution of fractional order differential equations using transforms and quadrature
(Işık University Press, 2018)
In this work, we extended the work of [12] to approximate the solution of fractional order differential equations by an integral representation in the complex plane. The resultant integral is approximated to high order ...
Generalized Hankel determinant for a general subclass of univalent functions
(Işık University Press, 2018)
Making use of the generalized Hankel determinant, in this work, we consider a general subclass of univalent functions. Moreover, upper bounds are obtained for |a3 ? µa2 2|, where µ ? R.
Maximal graphs of the first reverse Zagreb beta index
(Işık University Press, 2018)
The reverse vertex degree of a vertex v of a simple connected graph G defined as; cv = ? ? dv + 1 where ? denotes the largest of all degrees of vertices of G and dv denotes the number of edges incident to v. The first ...
Modeling of combined natural/thermocapillary convection flows in germanium melt at high temperatures
(Işık University Press, 2018-06-09)
A mathematical model for the description of combined natural/ thermocapillary convection melt flows in cylindrical (3D) geometry is developed. It is utilized to model germanium melt convective flows in an isothermal ...